4. To how much water should 50 mL of 12 M hydrochloric acid be added to

produce o 40 M solution?

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.